What is the purpose of purging with nitrogen while brazing?
A) To prevent oxide formation inside the pipes
B) To blow the oxides off the walls before it has a chance to firmly adhere
C) To help the flame burn a little hotter
D) To check for leaks at the same time you are brazing
A
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You should be able to become a mechanical insulator after a minimum of _____.
a. 1 year b. 2 years c. 3 years d. 4 years
The heat input is nearest:
Refer to the Rankine cycle with temperatures and pressures shown. Note that m = 2 kg/s of water.
.
A) 3670 kJ/s
B) 3460 kJ/s
C) 3010 kJ/s
D) 2870 kJ/s
Match the definition to the correct term.
A. The record of a particular animal's ancestry. B. The amount of marbling and carcass grade. C. The meatiness of the animal. D. Animal kept for the purpose of breeding.
The 74LS47 is an IC used to ________ and ________
Fill in the blank(s) with correct word